migration: preserve heaven trend fortune and heart slice

app/backend/features/heaven/__init__.py

@@ -0,0 +1,24 @@
+from .agent import HeavenAgentError, interpret_heaven
+from .engine import (
+    build_five_phase_field,
+    build_market_hexagram,
+    build_manual_market_hexagram,
+    build_personal_field,
+    hexagram_from_lines,
+)
+from .http import HeavenHttpMixin
+from .repository import HeavenRepositoryMixin
+from .service import HeavenServiceMixin
+
+__all__ = [
+    "HeavenAgentError",
+    "HeavenHttpMixin",
+    "HeavenRepositoryMixin",
+    "HeavenServiceMixin",
+    "build_five_phase_field",
+    "build_manual_market_hexagram",
+    "build_market_hexagram",
+    "build_personal_field",
+    "hexagram_from_lines",
+    "interpret_heaven",
+]

app/backend/features/heaven/agent.py

@@ -0,0 +1,118 @@
+from __future__ import annotations
+
+import json
+import time
+import urllib.error
+import urllib.request
+from typing import Any
+
+
+class HeavenAgentError(RuntimeError):
+    pass
+
+
+def interpret_heaven(
+    mode: str,
+    context: dict[str, Any],
+    api_key: str,
+    base_url: str,
+    model: str,
+    timeout: int = 90,
+) -> dict[str, Any]:
+    if mode not in {"trend", "fortune", "heart"}:
+        raise HeavenAgentError("不支持的问天解读模式。")
+    if not api_key or not model:
+        raise HeavenAgentError("LLM API Key 或模型尚未配置。")
+    system_prompt = _system_prompt(mode)
+    payload = json.dumps(
+        {
+            "model": model,
+            "messages": [
+                {"role": "system", "content": system_prompt},
+                {
+                    "role": "user",
+                    "content": json.dumps(context, ensure_ascii=False, separators=(",", ":")),
+                },
+            ],
+            "stream": False,
+        },
+        ensure_ascii=False,
+    ).encode("utf-8")
+    request = urllib.request.Request(
+        f"{base_url.rstrip('/')}/chat/completions",
+        data=payload,
+        headers={
+            "Content-Type": "application/json",
+            "Authorization": f"Bearer {api_key}",
+            "User-Agent": "XiaobaiReviewWeb/0.7",
+        },
+        method="POST",
+    )
+    started = time.perf_counter()
+    try:
+        with urllib.request.urlopen(request, timeout=timeout) as response:
+            result = json.loads(response.read().decode("utf-8"))
+        answer = str(result["choices"][0]["message"]["content"]).strip()
+        if not answer:
+            raise KeyError("empty response")
+    except urllib.error.HTTPError as exc:
+        raise HeavenAgentError(_http_error_message(exc)) from exc
+    except (urllib.error.URLError, TimeoutError, json.JSONDecodeError, KeyError, IndexError) as exc:
+        raise HeavenAgentError(f"问天模型调用失败：{exc}") from exc
+    return {
+        "answer": answer,
+        "model": model,
+        "latency_ms": round((time.perf_counter() - started) * 1000),
+    }
+
+
+def _system_prompt(mode: str) -> str:
+    common = """
+你是“小白复盘”的问天解读器。所有历法、卦象、爻位和市场指标已经由确定性程序计算，你只能解释提供的数据，不得改卦、改爻、改干支或编造行情。
+问天属于传统文化与娱乐化观察，不是预测模型，不承诺应验，不输出无条件买卖指令，不用神秘话术制造确定性。
+使用中文，先给核心判断，再解释结构。引用市场数字时标明数据日期。输出纯文本，可使用简短标题。
+""".strip()
+    if mode == "trend":
+        return common + """
+
+当前任务是“观势·解势”。六爻从初爻到上爻依次是个股内核、个股外显、板块内核、板块外显、指数内核、指数外显；初二为地、三四为人、五上为天。
+行情数据只负责生成六爻，本次解势必须以卦象本身为主，不得根据指数涨跌、板块强弱、涨停家数、成交量或个股表现直接推演方向。context中不会提供这些数字，也不会提供爻位对应的市场角色。
+先解释本卦卦名的核心义、上下卦组合及大象；再只解释实际动爻所代表的转折，并说明本卦如何走向之卦；最后可把这一组卦势翻译成克制的市场语言。
+重点是“本卦为当下之势，动爻为变化关节，之卦为所趋之势”。不要说明某一动爻对应指数、板块或个股，也不要输出“一看指数、二看涨停家数”一类行情观察条件。
+全文控制在300至450个中文字符，最多四小段。卦理约占九成，市场翻译最多一句，只能落到节制、等待、守信、辨伪等行为态度，不得据此预测市场下一阶段、涨跌方向或动能变化。不直接荐股，不使用Markdown表格。
+不要使用“必然、确定、必涨、必跌、后续将、进入某阶段”等断语；天机只点出势的性质与变化关系，不替用户宣布结果。
+""".strip()
+    if mode == "fortune":
+        return common + """
+
+当前任务是“观气·解运”。严格区分五运、六气、节气、月令和日干，不把丙午简单解释为火年。
+严格服从five_phase_field.framework提供的确定性结构，不自行重新计算五行：年纲由中运与司天在泉构成；岁半以前司天为主、在泉为辅，岁半以后在泉为主、司天为辅；当前六气层以客气加临主气为核心；日辰只负责触发。节气只用于定位当前六气阶段，不得再次叠加为独立力量。
+重点解释framework.relations中的客主同气、客生主、主生客、客克主或主克客，以及客胜为从、主胜为逆、司天在泉同位、天符岁会等已经判定的关系。不得把司天、在泉、主气、客气视为彼此独立的证据重复计权，也不得自行增删传统格局。
+首要解释当日气场容易放大参与者的哪些情绪、判断偏差和操作冲动，例如急躁、恐惧、迟疑、追涨、过早止损或路径依赖；再给出一至两个调节动作。
+如有personal_profile，结合其日主、十神、五行平衡倾向说明当日对该用户主观状态的影响，但不得把简化平衡倾向说成唯一喜用神，也不得复述或猜测出生日期。
+不得引用市场上涨下跌家数、涨跌停数量、成交额、板块强度或个股表现来证明气场。industry_affinity只是五行行业取象示例，不是行情旁证；行业契合度最多在末尾用一句话说明，不得写“当日共振”或暗示相关行业必然涨跌。
+全文控制在420至600个中文字符，按“三层气机、人的状态、操作偏向、个人影响（如有）、制衡动作”组织，标题必须写“三层气机”。明确这些是传统历法框架下的观察语言，不宣称气候或五行直接导致股价。
+""".strip()
+    return common + """
+
+当前任务是“观心·解卦”。用户的问题始终只在心中，没有输入给你，因此你不能猜测问题内容，也不能替用户作具体决定。
+全文控制在180至350个中文字符。只写一句卦意；一小段动爻与之卦；最后三句极短的问心句。
+不要重述六条爻辞，不猜用户未说出口的问题，不以吉凶二字替代思考，不给出股票涨跌预测。语气安静、克制，越短越有余味。
+""".strip()
+
+
+def _http_error_message(exc: urllib.error.HTTPError) -> str:
+    detail = ""
+    try:
+        payload = json.loads(exc.read().decode("utf-8", errors="replace"))
+        error = payload.get("error")
+        if isinstance(error, dict):
+            detail = str(error.get("message") or error.get("code") or "")
+        elif error:
+            detail = str(error)
+        elif payload.get("message"):
+            detail = str(payload["message"])
+    except (json.JSONDecodeError, OSError):
+        detail = ""
+    suffix = f"：{detail[:300]}" if detail else ""
+    return f"问天模型调用失败（HTTP {exc.code}）{suffix}"

app/backend/features/heaven/http.py

@@ -0,0 +1,30 @@
+from __future__ import annotations
+
+import json
+from http import HTTPStatus
+
+
+class HeavenHttpMixin:
+    def heaven_hexagram(self) -> None:
+        try:
+            body = self.read_json_body()
+            result = self.application_service.heaven_hexagram(body.get("lines"))
+            self.send_json({"ok": True, "hexagram": result})
+        except (ValueError, json.JSONDecodeError) as exc:
+            self.send_json({"error": str(exc)}, HTTPStatus.BAD_REQUEST)
+
+    def heaven_personal(self) -> None:
+        try:
+            body = self.read_json_body()
+            result = self.application_service.heaven_personal(body)
+            self.send_json({"ok": True, "personal": result})
+        except (ValueError, json.JSONDecodeError) as exc:
+            self.send_json({"error": str(exc)}, HTTPStatus.BAD_REQUEST)
+
+    def heaven_interpret(self) -> None:
+        try:
+            body = self.read_json_body()
+            result = self.application_service.heaven_interpret(body)
+            self.send_json({"ok": True, **result})
+        except (ValueError, json.JSONDecodeError) as exc:
+            self.send_json({"error": str(exc)}, HTTPStatus.BAD_REQUEST)

app/backend/features/heaven/repository.py

@@ -0,0 +1,111 @@
+from __future__ import annotations
+
+import json
+import sqlite3
+from datetime import datetime
+from typing import Any
+
+
+class HeavenRepositoryMixin:
+    @staticmethod
+    def _heaven_reading_dict(row: sqlite3.Row | None) -> dict[str, Any] | None:
+        if not row:
+            return None
+        return {
+            "id": int(row["id"]),
+            "mode": str(row["mode"]),
+            "context_date": str(row["context_date"]),
+            "subject": str(row["subject"]),
+            "subject_detail": str(row["subject_detail"]),
+            "answer": str(row["answer"]),
+            "created_at": str(row["created_at"]),
+        }
+
+    def save_heaven_reading(
+        self,
+        user_id: int,
+        mode: str,
+        context_date: str,
+        subject: str,
+        subject_detail: str,
+        answer: str,
+        context_snapshot: dict[str, Any],
+        dedupe_key: str,
+    ) -> dict[str, Any]:
+        now = datetime.now().astimezone().isoformat(timespec="seconds")
+        snapshot_json = json.dumps(
+            context_snapshot, ensure_ascii=False, separators=(",", ":")
+        )
+        with self.connect() as connection:
+            connection.execute(
+                """
+                INSERT INTO heaven_readings
+                    (user_id, mode, context_date, subject, subject_detail, answer,
+                     context_snapshot, dedupe_key, created_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                ON CONFLICT(user_id, dedupe_key) DO NOTHING
+                """,
+                (
+                    int(user_id), mode, context_date, subject, subject_detail,
+                    answer, snapshot_json, dedupe_key, now,
+                ),
+            )
+            row = connection.execute(
+                """
+                SELECT id, mode, context_date, subject, subject_detail, answer, created_at
+                FROM heaven_readings WHERE user_id = ? AND dedupe_key = ?
+                """,
+                (int(user_id), dedupe_key),
+            ).fetchone()
+            connection.execute(
+                """
+                DELETE FROM heaven_readings
+                WHERE user_id = ? AND mode = ? AND id NOT IN (
+                    SELECT id FROM heaven_readings
+                    WHERE user_id = ? AND mode = ? ORDER BY id DESC LIMIT 100
+                )
+                """,
+                (int(user_id), mode, int(user_id), mode),
+            )
+        result = self._heaven_reading_dict(row)
+        if not result:
+            raise ValueError("解读记录保存失败。")
+        return result
+
+    def list_heaven_readings(
+        self,
+        user_id: int,
+        mode: str,
+        context_date: str = "",
+        limit: int = 100,
+    ) -> list[dict[str, Any]]:
+        clauses = ["user_id = ?", "mode = ?"]
+        parameters: list[Any] = [int(user_id), mode]
+        if context_date:
+            clauses.append("context_date = ?")
+            parameters.append(context_date)
+        parameters.append(max(1, min(100, int(limit))))
+        with self.connect() as connection:
+            rows = connection.execute(
+                f"""
+                SELECT id, mode, context_date, subject, subject_detail, answer, created_at
+                FROM heaven_readings WHERE {' AND '.join(clauses)}
+                ORDER BY context_date DESC, id DESC LIMIT ?
+                """,
+                parameters,
+            ).fetchall()
+        return [self._heaven_reading_dict(row) for row in rows if row]
+
+    def latest_heaven_reading(
+        self, user_id: int, mode: str, context_date: str = ""
+    ) -> dict[str, Any] | None:
+        items = self.list_heaven_readings(user_id, mode, context_date, 1)
+        return items[0] if items else None
+
+    def delete_heaven_reading(self, user_id: int, reading_id: int) -> bool:
+        with self.connect() as connection:
+            cursor = connection.execute(
+                "DELETE FROM heaven_readings WHERE id = ? AND user_id = ?",
+                (int(reading_id), int(user_id)),
+            )
+            return cursor.rowcount > 0